321 Stainless Steel Bars, Rods & Discs - Grainger Industrial Supply

13-8 has a high degree of strength and hardness, but is easy to machine. This material grade resists corrosion at elevated temperatures.
15-5 is a high-strength material grade that does not crack in extreme temperatures. This grade is often used for machine parts, and in aerospace, petrochemical, and food industries.
17-4 has a high tensile strength and resists corrosion in elevated temperatures.
303 is made with sulphur for easier grinding, machining, and polishing. This material grade is used to make nuts, bolts, and pump and valve parts.
304 is a standard stainless steel grade that offers a good blend of corrosion resistance and strength. This grade maintains its properties in extreme temperatures.
316 is a highly corrosion-resistant material grade that’s commonly used in marine or other corrosive environments.
321 is strengthened with titanium to resist cracking, corrosion, and scaling in high temperature environments. This material grade is often used in aircraft parts and chemical and thermal processing equipment.
347 is strong and maintains its corrosion resistance properties in environments exposed to frequent heating and cooling.
410 is a general purpose grade that resists wear and can be hardened with heat treatment. It is often used for automotive parts and components.
416 is made with phosphorus and sulphur to make it easier to cut and form with machine tools. This material grade can be heat treated for extra hardness and durability and is often used for supports, braces, and handles.
420 is wear-resistant and maintains its strength when heated. This material grade is often used to make blades, bushings, bearings, and fasteners.
440C has a high degree of strength, hardness, and wear resistance properties. This material grade is commonly used in surgical instruments, knife blades, valve parts and components, and bearings.
455 is strong and resists corrosion, but is also easy to machine. This material grade is often used to make medical supplies or aerospace equipment.

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